RY0439 ***********************************************************************
RY0439  DESIGNATION -  E 216
RY0439  PID         -  RY0439
RY0439  STATE/COUNTY-  ID/IDAHO
RY0439  USGS QUAD   -  SNOWY SUMMIT (1994)
RY0439
RY0439                         *CURRENT SURVEY CONTROL
RY0439  ___________________________________________________________________
RY0439* NAD 83(1986)-  46 26 44.     (N)    115 30 16.     (W)     SCALED
RY0439* NAVD 88     -      1919.058  (meters)    6296.11   (feet)  ADJUSTED
RY0439  ___________________________________________________________________
RY0439  GEOID HEIGHT-         -15.83  (meters)                     GEOID99
RY0439  DYNAMIC HT  -        1918.420 (meters)    6294.02  (feet)  COMP
RY0439  MODELED GRAV-     980,212.3   (mgal)                       NAVD 88
RY0439
RY0439  VERT ORDER  -  FIRST     CLASS II
RY0439
RY0439.The horizontal coordinates were scaled from a topographic map and have
RY0439.an estimated accuracy of +/- 6 seconds.
RY0439
RY0439.The orthometric height was determined by differential leveling
RY0439.and adjusted by the National Geodetic Survey in June 1991.
RY0439.WARNING-Repeat measurements at this control monument indicate possible
RY0439.vertical movement.
RY0439
RY0439.The geoid height was determined by GEOID99.
RY0439
RY0439.The dynamic height is computed by dividing the NAVD 88
RY0439.geopotential number by the normal gravity value computed on the
RY0439.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45
RY0439.degrees latitude (G = 980.6199 gals.).
RY0439
RY0439.The modeled gravity was interpolated from observed gravity values.
RY0439
RY0439;                    North         East    Units  Estimated Accuracy
RY0439;SPC ID W     -   530,990.      818,870.      MT  (+/- 180 meters Scaled)
RY0439
RY0439                          SUPERSEDED SURVEY CONTROL
RY0439
RY0439  NGVD 29     -      1917.729  (m)         6291.75   (f) ADJ UNCH    1 2
RY0439
RY0439.Superseded values are not recommended for survey control.
RY0439.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums.
RY0439.See file dsdata.txt to determine how the superseded data were derived.
RY0439
RY0439_MARKER: DB = BENCH MARK DISK
RY0439_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT
RY0439_STAMPING: E 216 1935
RY0439_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO
RY0439+STABILITY: SURFACE MOTION
RY0439
RY0439  HISTORY     - Date     Condition        Recov. By
RY0439  HISTORY     - 1935     MONUMENTED       CGS
RY0439  HISTORY     - 1950     GOOD             NGS
RY0439
RY0439                          STATION DESCRIPTION
RY0439
RY0439''DESCRIBED BY NATIONAL GEODETIC SURVEY 1950
RY0439''11.1 MI W FROM SHERMAN SADDLE.
RY0439''11.1 MILES WEST ALONG THE LOLO TRAIL ROAD FROM SHERMAN SADDLE, 28.9
RY0439''MILES SOUTHEAST OF PIERCE, IDAHO, 0.65 MILE NORTHEAST OF THE JUNCTION
RY0439''OF A DIRT ROAD LEADING NORTH TO THE OLD ROCKY RIDGE LOOKOUT, AT A
RY0439''SADDLE IN ROCKY RIDGE, 61 FEET NORTHEAST OF THE CENTER LINE OF THE
RY0439''ROAD, 45.7 FEET NORTHEAST OF A LONE 15-INCH WHITE FIR TREE MARKED WITH
RY0439''A WHITE PAINTED TRIANGULAR BLAZE AND GROWING ON THE NORTHEAST EDGE OF
RY0439''THE ROAD, 21.2 FEET NORTH OF A 15-INCH STUMP MARKED BY THE WHITE
RY0439''PAINTED LETTERS B M, 2.8 FEET NORTHWEST OF A WITNESS POST, ABOUT 7
RY0439''FEET HIGHER THAN THE ROAD, AND SET IN THE TOP OF A CONCRETE POST
RY0439''PROJECTING 0.7 FOOT ABOVE THE GROUND.